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The data place most of the diversification of psittaciformes around 40 Mya, after the separation of Australia from West Antarctica and South America. [ 2 ] [ 4 ] Divergence of the Psittacidae from the ancestral parrots resulted from a common radiation event from what was then West Antarctica into South America, then Africa, via late Cretaceous ...
The order Psittaciformes consists of 387 extant species belonging to 87 genera. The following classification is based on the most recent proposals as of 2012. [9] [10] [3] Superfamily Psittacoidea: true parrots [21] Family Psittacidae. Subfamily Psittacinae: two African genera, Psittacus and Poicephalus; Subfamily Arinae. Tribe Arini: eighteen ...
Parrots (Psittaciformes), also known as psittacines (/ ˈ s ɪ t ə s aɪ n z /), [1] [2] are birds with a strong curved beak, upright stance, and clawed feet. [ a ] They are classified in four families that contain roughly 410 species in 101 genera , found mostly in tropical and subtropical regions.
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The true parrots are distributed throughout the tropical and subtropical regions of the world, mostly in the Southern Hemisphere, covering many different habitats, from the humid tropical forests to deserts in Australia, India, Southeast Asia, sub-Saharan Africa, Central and South America, and two species, one extinct (the Carolina parakeet), formerly in the United States.
Psittacopasseres is a taxon of birds consisting of the Passeriformes (passerines, a large group of perching birds) and Psittaciformes (). [3] Per Ericson and colleagues, in analysing genomic DNA, revealed a lineage comprising passerines, psittacines and Falconiformes. [4]
The following cladogram shows how the family Psittaculidae relates to the three other families in the order Psittaciformes.The tree is based on the work by Leo Joseph and collaborators published in 2012 but with the choice of families and the number of species in each family taken from the list maintained by Frank Gill, Pamela Rasmussen and David Donsker on behalf of the International ...
Psittacula, also known as Afro-Asian ring-necked parrots, is a genus of parrots from Africa and Southeast Asia.It is a widespread group with a clear concentration of species in south Asia, but also with representatives in Africa and the islands of the Indian Ocean.